Holden Rodeo 4JJ1 3.0L 2007-2008. Holden Colorado RC 4JJ1 3.0L 2008-2010. Isuzu D-Max 4JJ1 3.0L 2007-2010. Turbo Pros High Tensile Stud And Nut Kit Is Manufactured From High Tensile Steel, These Studs Have A Higher Yield Strength And Tensile Strength Than Regular Mild Steel Grade.